Harbour Energy plc was formed in 2021 through an all-share merger between Premier Oil and Chrysaor.

Find out more about our individual histories and how the companies came together to form the largest UK-listed independent oil and gas company.

Premier Oil

Premier Oil was established in 1934, initially to explore for oil and gas in Trinidad. In the 2000s, the company grew its presence through a mixture of acquisitions and successful exploration programmes.

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Chrysaor was founded in 2007 with the purpose of applying development and commercial skills to oil and gas assets and to realise their value safely. The group grew rapidly through a series of acquisitions.

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